1 /* 2 * Copyright 2021-2024 NXP 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef IMX8_SCMI_H 8 #define IMX8_SCMI_H 9 10 #include <stdint.h> 11 12 #define SCMI_SHMEM_CHANNEL_ERROR BIT_32(1) 13 #define SCMI_SHMEM_CHANNEL_FREE BIT_32(0) 14 15 #define SCMI_SHMEM_FLAG_INTR_ENABLED BIT_32(0) 16 17 enum scmi_std_protocol { 18 SCMI_PROTOCOL_BASE = 0x10, 19 SCMI_PROTOCOL_POWER_DOMAIN = 0x11, 20 SCMI_PROTOCOL_SYS_POWER = 0x12, 21 SCMI_PROTOCOL_PERF_DOMAIN = 0x13, 22 SCMI_PROTOCOL_CLK = 0x14, 23 SCMI_PROTOCOL_SENSOR = 0x15, 24 SCMI_PROTOCOL_RESET_DOMAIN = 0x16, 25 }; 26 27 #define MSG_ID(m) ((m) & 0xff) 28 #define MSG_TYPE(m) (((m) >> 8) & 0x3) 29 #define MSG_PRO_ID(m) (((m) >> 10) & 0xff) 30 #define MSG_TOKEN(m) (((m) >> 18) & 0x3ff) 31 32 enum { 33 SCMI_POWER_DOMAIN_PROTOCOL = 0x11, 34 SCMI_SYS_PWR_DOMAIN_PROTOCOL = 0x12, 35 SCMI_PER_DOMAIN_PROTOCOL = 0x13, 36 SCMI_CLK_DOMAIN_PROTOCOL = 0x14, 37 SCMI_SENSOR_PROTOCOL = 0x15, 38 }; 39 40 #define PROTOCOL_VERSION 0 41 #define PROTOCOL_ATTRIBUTES 1 42 #define PROTOCOL_MESSAGE_ATTRIBUTES 2 43 #define BASE_DISCOVER_VENDOR 3 44 #define BASE_DISCOVER_SUB_VENDOR 4 45 #define BASE_DISCOVER_IMPLEMENTATION_VERSION 5 46 #define BASE_DISCOVER_LIST_PROTOCOLS 6 47 #define BASE_DISCOVER_AGENT 7 48 #define BASE_NOTIFY_ERRORS 8 49 #define BASE_SET_DEVICE_PERMISSIONS 9 50 #define BASE_SET_PROTOCOL_PERMISSIONS 0xA 51 #define BASE_RESET_AGENT_CONFIGURATION 0xB 52 53 enum { 54 SCMI_RET_SUCCESS = 0, 55 SCMI_RET_NOT_SUPPORTED = -1, 56 SCMI_RET_INVALID_PARAMETERS = -2, 57 SCMI_RET_DENIED = -3, 58 SCMI_RET_NOT_FOUND = -4, 59 SCMI_RET_OUT_OF_RANGE = -5, 60 SCMI_RET_BUSY = -6, 61 SCMI_RET_COMMS_ERROR = -7, 62 SCMI_RET_GENERIC_ERROR = -8, 63 SCMI_RET_HARDWARE_ERROR = -9, 64 SCMI_RET_PROTOCOL_ERROR = -10, 65 }; 66 67 #define POWER_DOMAIN_ATTRIBUTES 3 68 #define POWER_DOMAIN_SUPPORT_NOTIFICATION BIT(31) 69 #define POWER_DOMAIN_SUPPORT_ASYNCHRONOUS BIT(30) 70 #define POWER_DOMAIN_SUPPORT_SYNCHRONOUS BIT(29) 71 72 #define POWER_STATE_SET 4 73 #define POWER_STATE_GET 5 74 #define POWER_STATE_NOTIFY 6 75 #define POWER_STATE_CHANGE_REQUESTED_NOTIFY 7 76 77 int scmi_power_domain_handler(uint32_t msg_id, void *shmem); 78 79 #define PERFORMANCE_DOMAIN_ATTRIBUTES 3 80 #define PERFORMANCE_DESCRIBE_LEVELS 4 81 #define PERFORMANCE_LIMITS_SET 5 82 #define PERFORMANCE_LIMITS_GET 6 83 #define PERFORMANCE_LEVEL_SET 7 84 #define PERFORMANCE_LEVEL_GET 8 85 #define PERFORMANCE_NOTIFY_LIMITS 9 86 #define PERFORMANCE_NOTIFY_LEVEL 0xA 87 #define PERFORMANCE_DESCRIBE_FAST_CHANNEL 0xB 88 89 int scmi_perf_domain_handler(uint32_t msg_id, void *shmem); 90 91 #define SENSOR_DESCRIPTION_GET 0x003 92 #define SENSOR_CONFIG_SET 0x004 93 #define SENSOR_TRIP_POINT_SET 0x005 94 #define SENSOR_READING_GET 0x006 95 96 int scmi_sensor_handler(uint32_t msg_id, void *shmem); 97 98 #define SMC_SHMEM_BASE 0x2201f000 99 100 #endif /* IMX8_SCMI_H */ 101